STMicroelectronics STM32L052C8U6, STM32L0 series, ARM Cortex-M0+ 32-bit MCU, 32 MHz, 64 KB Flash, 8 KB RAM, 2 KB EEPROM, 37 I/O, 1.65V–3.6V, -40°C to 85°C, 48-UFQFPN.
| Parameter | Value |
|---|---|
| Series | STM32L0 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.65V ~ 3.6V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 32MHz |
| Package | Tray |
| RAM size | 8K x 8 |
| Core size | 32-Bit Single-Core |
| EEPROM size | 2K x 8 |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Connectivity | I²C, IrDA, SPI, UART/USART, USB |
| Number of i (O) | 37 |
| Core processor | ARM® Cortex®-M0+ |
| Case | 48-UFQFN Exposed Pad |
| Data converters | A/D 10x12b; D/A 1x12b |
| Program memory size | 64KB (64K x 8) |
With 37 I/O lines and a 48-UFQFN exposed-pad package, this MCU fits space-constrained designs. On-chip peripherals include I²C, SPI, UART/USART, USB, I²S, DMA, PWM, and a 12-bit ADC with 10 channels plus a single 12-bit DAC. The brown-out detect and POR blocks simplify power sequencing — no external supervisor needed for most battery-powered applications.
The difference is the package: the C8U6 variant comes in a 48-UFQFN exposed-pad package, while the C8T6 uses a 48-LQFP. Both share the same core, memory, and peripheral set.
A functional alternative within the STM32L0 family is the STM32L151CBU6A, which uses a Cortex-M3 core at the same 32 MHz clock but offers more ADC channels (16 vs 10) and dual DACs. Pin compatibility should be verified against the respective datasheets.